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3 years ago

13

Sarah's water bottle holds 500 milliliters. Shawn container holds 4/5 as much water. How many total milliliters of water do both

containers hold put together

1 answer:

tamaranim1 [39]3 years ago

6 0

900 milliliters combined

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At what points does the helix r = left angle bracketsin(t), cos(t), tright angle bracket intersect the sphere x 2 + y 2 + z 2 =

r-ruslan [8.4K]

Answer:

the points are = (0.1045, 0.9945, 6) and ( -0.1045, 0.9945, -6)

Step-by-step explanation:

The detailed steps and appropriate substitution is as shown in the attached file.

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3 years ago

In which step did Honi make the mistake

olasank [31]

Honi maded the mistake in step 1

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3 years ago

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Verify:<br>cos(2A)=(cotA-tanA)/cscAsecA

kolbaska11 [484]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identities

cot A = $\frac{cosA}{sinA}$ , tanA = $\frac{sinA}{cosA}$ , cscA = $\frac{1}{sinA}$ , secA = $\frac{1}{cosA}$

Consider the right side

$\frac{cotA-tanA}{cscAsecA}$

= $\frac{\frac{cosA}{sinA}-\frac{sinA}{cosA} }{\frac{1}{sinA}.\frac{1}{cosA} }$

= $\frac{\frac{cos^2A-sin^2A}{sinAcosA} }{\frac{1}{sinAcosA} }$

= $\frac{cos^2A-sin^2A}{sinAcosA}$ × sinAcosA ( cancel sinAcosA )

= cos²A - sin²A

= cos2A

= left side ⇒ verified

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3 years ago

(-6)-(-9) I need help plz

Grace [21]

Think of a number line

You have -6 and -9

Jump 9 up the number line

Your answer is 3

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3 years ago

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Write as an improper fraction<br> 8 1/2<br> (Simplify your answer.)

liq [111]

Answer:

$\frac{17}{2}$

Step-by-step explanation:

To convert a mixed fraction to a improper fraction, you have to multiply the denominator (2) by the whole number (8). 8 multiplied by 2 is 16. Then add the numerator (1). 16+1=17. That becomes your numerator, the denominator (2) stays the same.

I hope this helps!

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3 years ago